Sajjan Singh
Sajjan Singh is the name of:
- Sajjan Singh of Udaipur (1859–1884), Maharana of the princely state of Udaipur, 1874–1884
- Sajjan Singh of Ratlam (1880–1947), British Indian Army officer and Maharaja of Ratlam State, 1893–1947
- Sajjan Singh (wrestler) (fl. 1960s), Indian Olympic wrestler